Home / 21,950.64-30,294.75-14,403.42

Finding the Fourth Proportional to 21,950.64, 30,294.75 and 14,403.42

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Solution

The fourth proportional to 21,950.64, 30,294.75 and 14,403.42 is: 19,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.64 : 30,294.75 = 14,403.42 : x
  2. Step 2: Convert to fraction form
    21,950.64/30,294.75 = 14,403.42/x
  3. Step 3: Cross multiply
    21,950.64x = 30,294.75 × 14,403.42
  4. Step 4: Simplify right side
    21,950.64x = 436,348,008.05
  5. Step 5: Solve for x
    x = 436,348,008.05/21,950.64
  6. Step 6: Final answer
    x = 19,878.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.